8.2. Install cassette grille to indoor unit
(1) Install the cassette grille on the indoor unit.
"DRAIN" mark
* Align the stamped marks on the cassette grille against the pipe and the drain of the
indoor unit.
Use only the supplied screws to install the cassette grille.
Indoor unit
Sealant
Cassette grille
(2) Connect the connector.
Cable (display): WHITE
Cable (louver): WHITE
• Arrange the cables as illustrated below.
(3) Attach the connector cover.
Screw
9371022253-01_IM.indb Sec1:14
9371022253-01_IM.indb Sec1:14
"PIPE" mark
CAUTION
Ceiling
No gap between ceiling and
cassette grille around entire
periphery
Cable (louver): RED
Indoor unit side
Connector cover
8.3. Attach the intake grille
The installation is the reverse of "REMOVING THE INTAKE GRILLE".
The intake grille can be rotated and installed 4 ways to suit the user's preference.
CAUTION
The louver angle cannot be changed if the power is not on, (If moved by hand, it may
be damaged.)
The grille assembly is directional relative to the air conditioner body.
Install so that there is no gap between the grille assembly and the air conditioner body.
9. TEST RUN
9.1. Test run using Outdoor unit (PCB)
• Refer to the Installation Manual for the outdoor unit if the PCB for the outdoor unit is to
be used for the test run.
9.2. Test run using Remote Controller
• Refer to the Installation Manual for the remote controller to perform the test run using
the remote controller.
• When the air conditioner is being test run, the OPERATION and TIMER indicator
lamps fl ash slowly at the same time.
10. CHECK LIST
Pay special attention to the check items below when installing the indoor unit(s). After
installation is complete, be sure to check the following check items again.
CHECK ITEMS
Has the indoor unit been installed
correctly?
Has there been a check for gas leaks
(refrigerant pipes)?
Has heat insulation work been
completed?
Does water drain easily from the indoor
units?
Is the voltage of the power source the
same as that indicated on the label on
the indoor unit?
Are the wires and pipes all connected
completely?
Is the indoor unit earthed (grounded)?
Is the connection cable the specified
thickness?
Are the inlets and outlets free of any
obstacles?
Does start and stop air conditioner
operation by remote control unit or
external device?
After installation is completed, has the
proper operation and handling been
explained to the user?
CHECK
If not performed correctly
BOX
Vibration, noise, indoor unit
may drop
No cooling, No heating
Water leakage
Water leakage
No operation, heat or burn
damage
No operation, heat or burn
damage
Short circuit
No operation, heat or burn
damage
No cooling, No heating
No operation
En-14
2012-7-12 14:34:46
2012-7-12 14:34:46